"SearXNG, a privacy-respecting metasearch engine" matching MCP servers:

A standard MCP server for discovering AI agents and negotiating signed skill contracts. Buyer-seller payments are settled directly outside the platform; Agent Economy Engine collects only a platform fee after both parties attest completion.

Google AdSense for AI agents, enabling MCP server monetization by serving privacy-respecting contextual ads and earning 70% revenue share on clicks.

Local, privacy-first access to bank and credit-card transactions for Copilot, backed by SimpleFIN.

Pay-per-use semantic web search for AI agents. Powered by SearxNG, agents pay in sats via Lightning Network micropayments — no API keys required.

A privacy-first MCP server providing 14 offline Brazilian utilities including document validation, boleto parsing, PIX BR Code generation/parsing, and calendar tools.

Gives your agent a private Kinematic Drive: a deterministic memory engine for sub-millisecond exact recall over code and docs with no hallucination. Also provides self-serve checkout and metered pay-per-call tools for AI agents.

Enables AI agents to accept payments in Mexico via Mercado Pago, including OXXO cash vouchers, SPEI bank transfers, cards, and Mercado Pago wallet, through a stateless hosted checkout.

A per-call payment trust and reputation API for AI agents, allowing agents to check if a counterparty is safe to pay before making a payment.

Enables AI agents to discover and interact with a merchant's commerce layer, including product listing and checkout creation, while payments settle directly to the merchant's Stripe account.

A remote MCP server that enables AI agents to accept Japanese payments (konbini, credit cards, PayPay, etc.) via KOMOJU's hosted checkout.

An MCP server that acts as a secure, multi-tenant proxy to the InvoiceShelf API, enabling AI assistants to manage invoices, estimates, customers, payments, expenses, and more with 109 tools and TOON compression for efficient token usage.

A template for MCP servers that enforces a paywall gate, offering free local execution and monetizing premium features via Stripe or x402 payments.

Lets AI agents accept payments in Guatemala via cards (Visa/Mastercard) through a stateless Recurrente hosted checkout, providing tools to create payment links and query payment status.

Financial data infrastructure for AI agents. Connect to a startup's books to read live P&L and bank balances, review and reclassify transactions, manage the chart of accounts, and connect banking sources.

MCP server that validates semantic version ranges using npm's semver engine, with payment via x402 on Base mainnet.

Build a paid MCP server that charges AI agents per call in USDC, with automatic payment handling via HTTP 402 and EIP-3009.

Enables AI agents to access real-time financial data, news, and web reading through a single MCP endpoint with zero installation.

A remote MCP server that lets any AI agent accept payments in New Zealand via Stripe's hosted checkout.

A local MCP proxy that connects to remote MCP servers and automatically handles x402 payments, signing USDC on-chain when a tool returns HTTP 402.

A remote MCP server that lets any AI agent accept payments in Turkey: local Turkish cards with taksit, international cards via iyzipay's hosted checkout.